Seat Ateca 2018: MOT failure rate for its age

12.1% of 36,424 MOT tests of the Seat Ateca first registered in 2018 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 111.3 (95% CI 108.0–114.6; 100 = normal for this model at that age): the 2018 Seat Ateca fails more often than other build years of the same model at the same age.

Seat Ateca built in 2018 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	12.1	%	all ages tested	2019–2024	36424
Index against this model at the same age (95% CI 108.0–114.6)	111.3	index	100 = normal for this model at that age	2019–2024	36424
Rank among this model's 5 build years	5	of 5	1 = fails least for its age	2019–2024	36424
Tested in 2024	9006	tests	median 48,404 miles	2024	9006

Built 2018 against Seat Ateca normal for the age: first-time MOT failure share at each age, age 3: 12.9% vs 10.3%; age 4: 11% vs 10.2%; age 5: 11.4% vs 10.7%; age 6: 13.1% vs 12.3%. Axis from 0% to 20%. DVSA MOT bulk data, 2019–2024.

Check a 2018 Seat Ateca by registration · All Seat Ateca MOT statistics · Download the build-year table (CSV)

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · full dataset (v5).

How does the 2018 Seat Ateca fail at each age?

Cars built in 2018 were tested at ages 3 to 6 between 2019 and 2024. Each row compares their first-time failure share with what this model normally shows at that age, after allowing for the overall failure level of each test year.

Seat Ateca built 2018: first-time MOT failure by age, against the model's normal rate at that age (2019–2024)
Age	Tests	Failed, %	95% interval	Normal for this model at that age, %	Index (100 = normal)
3	9,265	12.9	12.3–13.6	10.3	125.3
4	9,122	11	10.3–11.6	10.2	107.4
5	9,031	11.4	10.8–12.1	10.7	106.8
6	9,006	13.1	12.4–13.8	12.3	106.5

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 36,424 (initial tests) · Method: normal rate = this model's first-time failure share at that age across its build years (cells of 400+ tests), adjusted for each test year's overall level; cells of 30+ tests, under 500 marked rough · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

What fails most on the 2018 Seat Ateca?

The most common failure group on cars built in 2018 is tyres: 6.2 items per 100 first tests, against 5.6 across all build years of the Seat Ateca. These counts are not age-adjusted: cars built in 2018 were tested at ages 3 to 6.

Failure items per 100 first tests, Seat Ateca built 2018 against the Seat Ateca in all build years (2019–2024, not age-adjusted)
Failure group	Built 2018, per 100	All build years, per 100	Items
Tyres	6.2	5.6	2,272
Visibility	5	4.5	1,841
Brakes	3.1	2.7	1,150
Lamps, reflectors and electrical equipment	1.3	1.3	467
Suspension	0.9	0.8	331

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 36,760 (initial tests of this build year) · Method: failure items grouped by DVSA's top-level defect groups, per 100 initial tests; groups with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

How does 2018 compare with the years around it?

Among the 5 published build years of the Seat Ateca, 2018 ranks 5 (1 = fails least for its age). 2017: index 104.2. 2019: index 93.7.

Seat Ateca build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2016	92.4	87.3–97.5	better	11,347
2017	104.2	101.6–106.8	worse	51,211
2018	111.3	108.0–114.6	worse	36,424
2019	93.7	90.4–96.9	better	33,118
2020	95.2	90.4–100.0	no different	15,838

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 147,938 (initial tests) · Method: observed failures against those expected for the same model at the same ages, test-year level adjusted; verdict follows the printed one-decimal bound · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

How to cite this page

MOT Risk Index (2026). Seat Ateca 2018 MOT statistics (data release dvsa-2024-v2; full dataset motriskindex-families-2024-v5, DOI 10.5281/zenodo.22975051), updated 30 September 2026. motriskindex.co.uk/cars/seat-ateca/2018/

How every figure is calculated: methodology. Age, test year and build year are tied together (age = test year − build year), so the test-year level is taken as observed, not estimated.

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